South Korea
Ulleungdo Island
About this Dive Site
Description
Ulleungdo Island, a remote gem in the East Sea, offers exceptional deep diving opportunities in remarkably clear waters. This vibrant underwater landscape is alive with diverse fish species and lush aquatic vegetation, creating a colorful and dynamic diving spectacle.
Best Time to Dive
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 12°C | 12°C | 13°C | 15°C | 17°C | 19°C | 21°C | 22°C | 21°C | 19°C | 16°C | 14°C |
Peak Season
May, June, September, October
Jan
Very cold water, limited visibility, best for experienced cold-water divers.
Feb
Coldest water temperatures, focus on hardy marine life.
Mar
Slight warming, visibility improving, potential for nudibranchs.
Apr
Water temperatures rise, more active fish life.
More monthly highlights
May
Good visibility and comfortable temperatures, potential for squid.
Jun
Peak season for diving, good visibility and marine life.
Jul
Summer monsoon can bring reduced visibility and stronger currents.
Aug
Monsoon season, potential for rain and rougher seas.
Sep
Visibility improves as monsoon recedes, good for macro photography.
Oct
Pleasant temperatures and good visibility.
Nov
Water begins to cool, good for spotting smaller marine life.
Dec
Cold water diving, potential for unique cold-water species.
Have a photo of Ulleungdo Island?
Share your underwater photos with the diving community
Upload Photos
Please login to write a review